The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2021
Filed:
Oct. 18, 2019
East China University of Science and Technology, Shanghai, CN;
Zhishan Bai, Shanghai, CN;
Zhaojin Lu, Shanghai, CN;
East China University of Science and Technology, Shanghai, CN;
Abstract
The disclosure provides a short-process separation system for separating ionic liquid from alkylation reaction effluent, comprising an alkylation reactor, an ionic liquid storage tank, a primary coalescence separator, a secondary coalescence separator, a flash tank, a low-temperature fine coalescence separator and a fractionating tower that are linked in order. The inlet of the ionic liquid storage tank communicates with the bottom flow ports of the primary coalescence separator, the secondary coalescence separator and the low-temperature fine coalescence separator through delivery lines, and the outlet of the ionic liquid storage tank communicates with the return port of the alkylation reactor through a delivery pump. The alkylated oil collected from this system has a high degree of cleanliness, and can be used directly as a component for formulating clean gasoline. The ionic liquid catalyst collected therefrom may be directly returned to the alkylation reactor for cycle use.